It is the kind of feature that most people would walk past without a second glance, reading it as nothing more than an old field boundary or a slight depression in the ground. What makes it worth pausing over is that its age and function remain genuinely uncertain, and that the landscape itself has quietly preserved it for centuries without anyone making much of a fuss.

The earthwork is bounded on its Waterford side by the townland of Glennaglogh, and its most telling documentary trace is a label on a map made by a surveyor named Bateman between 1716 and 1717. The label reads simply 'an auld ditch', which suggests that even in the early eighteenth century the feature was already considered old enough to warrant the description. Linear earthworks of this kind, essentially long banks or ditches running across the land rather than enclosing a specific site, were sometimes used to mark territorial divisions, to manage movement of livestock, or to define boundaries between estates or kingdoms. Whether this particular example served any of those purposes, or some combination of them, is not recorded. On the western side of the Tallow-to-Youghal road, a shallow drain survives along the field fence on the Waterford side, possibly a remnant of the original ditch that gave the feature its name on Bateman's map.